Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 25, 2018	May 26, 2018	Feb. 24, 2018	Nov. 25, 2017	Aug. 26, 2017	May 27, 2017	Feb. 25, 2017	Nov. 26, 2016	Aug. 25, 2018	Aug. 26, 2017	Aug. 27, 2016
Current:
Federal									$ 23,815	$ 37,027	$ 54,654
Foreign									527	1,995	1,672
State									8,012	6,642	9,996
Total current									32,354	45,664	66,322
Deferred:
Federal									(11,517)	(520)	10,803
Foreign									363	123	(217)
State									2,151	(340)	1,437
Total deferred									(9,003)	(737)	12,023
Total	$ 7,901	$ 11,433	$ (14,810)	$ 18,827	$ (2,781)	$ 15,000	$ 14,858	$ 17,850	$ 23,351	$ 44,927	$ 78,345